Fix: add PHANTOMJS_BIN variable in test script

package.json

@@ -34,7 +34,7 @@
   "scripts": {
     "postinstall": "bower cache clean && bower install",
     "test-local": "karma start karma.conf.js --browsers PhantomJS",
-    "test": "./node_modules/karma/bin/karma start karma.conf.js --browsers PhantomJS",
+    "test": "PHANTOMJS_BIN=./node_modules/karma-phantomjs-launcher/node_modules/phantomjs/lib/phantom/bin/phantomjs ./node_modules/karma/bin/karma start karma.conf.js --browsers PhantomJS",
     "start": "node server.js",
     "stop": "pkill -SIGINT CloudBudget-AngularJS"
   },